5.2.1 Low-Level Devices

Function: open-device alsa-name input-name open-midi-seq? open-input-remapper?

Open the device associated with ALSA device ALSA-NAME and/or input device input-name. Optionally open a MIDI sequencer for the device if open-midi-seq? is ‘#t’. Optionally open an input remapper if open-input-remapper? is ‘#t’.

Return #f if something goes wrong.